In a Sampling Application to Determine the Average Age of Employees

question 12

Multiple Choice

In a sampling application to determine the average age of employees in management positions,the sample estimate was 50 years,reliability was 80 percent,and precision was 10 years.Which of the following would most likely result from an increase in the desired level of reliability to 90 percent?

• A)The sample estimate would increase to 55 years.
• B)The precision interval would be 40 to 60 years.
• C)The precision interval would be 35 to 65 years.
• D)The precision interval would have a lower probability of including the true (unknown)population average.

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Definitions:

Isolation

A state of being separated from other people, which can result in loneliness or solitude.

Slave Women

Female individuals who are subjected to a condition of forced labor, deprived of personal freedom, and considered the property of others.

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Individuals engaged in the operation, maintenance, and service of trains and rail infrastructure.

Miners

Individuals involved in the extraction of minerals or other geological materials from the earth, often working in mines.